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    Subjectfilesystem corruption on xfs after 2.6.25-rc1 (bisected, powerpc related?)

    Since upgrading to 2.6.25-rc1 I see filesystem corruption on my XFS
    filesystem. I can reproduce this by doing "git reset --hard v2.6.25-rc1"
    on a git checkout which is on some other revision. Git outputs strange
    error messages (like file xxx is a directory when xxx really is a file)
    and sometimes the filesystem "hangs" (I can no longer do any operations
    on it even from another shell). If I reboot with a working kernel and
    check the filesystem xfs_check reports many errors. I also see the
    problem when doing other (not related to git) operations on the
    filesystem. Git reset is just the easiest way to reproduce it.

    I was able to track this corruption down to commit
    a69b176df246d59626e6a9c640b44c0921fa4566 ([XFS] Use the generic bitops
    rather than implementing them ourselves.) using git bisect.

    Reverting edd319dc527733e61eec5bdc9ce20c94634b6482 ([XFS] Fix
    xfs_lowbit64) to avoid merge conflicts and the faulty commit on top of
    2.6.25-rc3 fixes the problem.

    My filesystem is on an LVM2 logical volume and my computer is a
    PowerBook G4 (model 5,8). I'm using GCC 4.2.3.

    My problem is similar to the problem Johannes Berg reported in:

    AFAIK Johannes also uses a PowerBook. Maybe this is an endianness


    Ever tried. Ever failed. No matter.
    Try again. Fail again. Fail better.
    ~ Samuel Beckett ~

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